#please-wait-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.3);
    display: none;
}

.hidden {
    display: none;
}

textarea.full-width {
    white-space: nowrap;
    width: 100%;
    box-sizing: border-box;
}